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Naraku 63mm (180cc) Forged Piston Big Bore Kit for 150cc, GY6 Engines

Availability: In stock

$179.99

Quick Overview

180cc / 63mm Big Bore Kit Forged Piston Big Bore Kit for 150cc, GY6 Engines
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Details

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Naraku 63mm Forged Piston Big Bore Kit for 150cc and 125cc GY6 4-stroke engines and engine based vehicles. Crankcase modifications are needed for this cylinder kit. Increases displacement to 180cc!

It is recommended to upgrade the jets in the carburetor when adding this modification.
  • Bore: 63mm
  • Outer Sleeve Diameter: 64.9mm
  • Displacement Increase to 180cc
  • Overall Height (cylinder): 90mm

NO WARRANTY OR RETURNS ON BIG BORE PRODUCTS THAT REQUIRE CASE MODIFICATIONS.  BORE AT YOUR OWN RISK.  WE HIGHLY RECOMMEND HAVING PROFESSIONALS DO THIS JOB.

Additional Information

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